https://bugs.freedesktop.org/show_bug.cgi?id=42092

--- Comment #4 from [email protected] 2011-10-22 07:38:21 PDT ---
(In reply to comment #2)
> I see the difference between the export results in "PDF_lossless.pdf" and
> "PDF_A-1a.pdf" with ARX, but not as drastic as shown in
> "PDF_lossless_becomes_BITMAP.png" and "PDF_A-1a_becomes_Scalable.png". For me 
> "PDF_A-1a.pdf" only seems to have a finer resolution (smaller pixels)
> 
> 
> @[email protected]
> Please do not post problems what have nothing to do with the bug report 
> (Comment 1).
> 
> How did you indicate whether the export contains a raster or a vector graphic?
> 
> Really only a master problem?
> 
> Can you please explain for what use the lots of files in your test kit are? My
> WIN IrfanView and WIN PhotoViewer can not open the .png files in
> "\__MACOSX\SVG_is_Bitmap_as_PDF"

Many files on the MAC have two parts: a data fork, and a resource fork. For
certain files (like some font files), these resource forks are necessary and
must be left intact. The MAC OS includes built-in ZIP-compression functionality
(which is quickly accessed through contextual menus). We typically compress
files and folders with it. The built-in ZIP-compression automatically stores
the MAC's hidden metadata in the resource fork and folder __MACOSX. So the
hidden __MACOSX folder is automatically created when a MAC creates an archive
(also called a zip file). When the zip file is sent to another MAC user, the
folder will not appear – because it is a hidden folder, but all of the files
and folders will show correctly on a MAC because of the metadata within the
hidden folder and files. 

Sometimes these extra metafolder and files will cause confusion. For example,
when a MAC user sends the zip file to a PC user then the hidden files are shown
on the PC. PC users are often confused by these (seemingly superfluous) files
and folders. 

The problem: When we submit examples for LibreOffice we typically use the
built-in ZIP-compression which automatically stores the MAC's hidden metadata
in the resource fork and folder __MACOSX; the resulting .ZIP file includes a
folder called __MACOSX, along with several files that begin with a dot. These
“hidden” folders and files do not appear on another MAC, but they do appear on
other systems and may cause confusion.

The solution: We will look into techniques to remove these hidden folders and
files from the compressed files that we submit to LibreOffice bug tracker -
bugzilla – Freedesktop.

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